president barack obama called for an end to extremism yesterday. he also paid tribute to christopher stevens, the u.s. ambassador to libya who was killed during recent protest. in his last major foreign policy address before the upcoming election, obama also reiterated his desire to find a diplomatic solution with iran, but warned that time was running out. usef joins us from iran now. as we can expect to hear from ahmadinejad later today, what might he -- are we going hear any change in rhetoric from the past? how much will the world's attention be focused on this moment? >> well, kelly, you're right. president mahmood ahmadinejad's speech is expected for later today. it comes actually quite at an interesting time because it would be the hollywoodiest dies jewish calendar. of course, obama's speech comes at a time when the united states is facing a very difficult situation in the middle east. we saw the ongoing protests, and of course, anti-u.s. sentiment is at relatively high in terms of its historical sort of context. but again, peace is hard is